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deepseek-v4-flash

DeepSeek-V4-Flash is a lightweight model meticulously designed by DeepSeek to deliver the ultimate combination of lightning-fast response times and unmatched cost-effectiveness. Engineered with fewer parameters and significantly lower activation overhead, V4-Flash provides an exceptionally fast and economical API service. At its core, V4-Flash demonstrates outstanding reasoning capabilities that closely rival the V4-Pro model. While featuring a slightly streamlined repository of world knowledge,

ReasoningTool calling
Try deepseek-v4-flashCompareDocs

Specifications

Context window1.0M tokens
Max outputβ€”
API typechat
AddedMay 27, 2026
Model IDnovita/deepseek/deepseek-v4-flash
Data retentionYes
Used for trainingUnknown
Provider locationπŸ‡ΊπŸ‡Έ US
Privacy policyNovita AI Privacy Policy→

Benchmarks

Released 2026-04-24
Coding Indexcoding
38.7%

Artificial Analysis Coding Index β€” a composite of coding evaluations including LiveCodeBench, SciCode and Terminal-Bench.

GPQA Diamondreasoning
89.4%

Graduate-level physics, chemistry & biology questions designed to resist Googling.

Intelligence Indexreasoning
46.5%

Artificial Analysis Intelligence Index β€” a composite of multiple evaluations measuring overall model capability.

Scores are sourced from official model cards, Artificial Analysis, and public leaderboards. Benchmarks measure specific skills and do not capture every aspect of model quality β€” always test on your own workload.

Pricing

Input / 1M
$0.14
Output / 1M
$0.28
Cache write
β€”
Cache read
β€”
Estimated cost
100K input + 10K output$0.0168
1M input + 100K output$0.17
10M input + 1M output$1.68

Requesty charges exactly what the upstream provider charges β€” no markup, no per-request fees. Prompt caching and smart routing can reduce effective cost by 30-80%.

Quickstart

Drop-in compatible with the OpenAI SDK. Change the base URL, swap in your Requesty API key, and set the model to novita/deepseek/deepseek-v4-flash.

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from openai import OpenAI

client = OpenAI(
    api_key="YOUR_REQUESTY_API_KEY",
    base_url="https://router.requesty.ai/v1",
)

response = client.chat.completions.create(
    model="novita/deepseek/deepseek-v4-flash",
    messages=[
        {"role": "user", "content": "Explain quantum computing in one paragraph."},
    ],
)

print(response.choices[0].message.content)

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Frequently asked questions

How much does deepseek-v4-flash cost?
deepseek-v4-flash is priced at $0.14 per million input tokens and $0.28 per million output tokens when accessed via Requesty. Requesty charges exactly what the upstream provider charges β€” we don't add markup.
What is the context window of deepseek-v4-flash?
deepseek-v4-flash has a context window of 1.0M tokens. That's roughly 1,398 words of input you can fit in a single prompt.
How does deepseek-v4-flash perform on benchmarks?
deepseek-v4-flash scores 95.0% on τ²-Bench, 89.4% on GPQA Diamond, 46.5% on Intelligence Index. See the full benchmark chart above for results across MMLU Pro, GPQA Diamond, SWE-Bench Verified, HumanEval, MATH, AIME, MMMU, and LiveBench.
What can deepseek-v4-flash do?
deepseek-v4-flash supports tool calling, extended reasoning. You can call it through any OpenAI-compatible client by pointing base_url to Requesty.
How do I use deepseek-v4-flash with the OpenAI SDK?
Install the OpenAI SDK, set base_url to "https://router.requesty.ai/v1", set your API key to your Requesty key, and set the model to "novita/deepseek/deepseek-v4-flash". The Quickstart above shows Python, JavaScript and cURL snippets.

Access deepseek-v4-flash through Requesty

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